const mongoose = require("mongoose");

mongoose.connect("mongodb://127.0.0.1:27017/sh2302");

mongoose.connection.on("connected", ()=>{
  console.log("连接成功")
})
mongoose.connection.on("disconnected", ()=>{
  console.log("连接断开")
})
mongoose.connection.on("error", ()=>{
  console.log("连接失败")
})

module.exports = mongoose;